| 例句 |
abortiveadjective producing no resultsan abortive attempt to recover the sunken pirate ship barren, bootless, empty, fruitless, futile, ineffective, ineffectual, inefficacious, otiose, profitless, unavailing, unproductive, unprofitable, unsuccessful, useless, vain hollow, idle, meaningless, pointless, valueless, worthlesshopeless, impossible, lost, no-win, unattainableinadequate, insufficient, lacking, wantingcounterproductive in vain, no dice, not worth the candle, of no avail deadly, effective, effectual, efficacious, efficient, fruitful, potent, productive, profitable, successful, virtuous meaningful, worthwhileadequate, sufficientapplicable, feasible, functional, practicable, practical, realizable, usable(also useable), workable in the 15th century |